简体中文

Heroes

The use of past perfect simple and continuous to talk about things that happened before another event in the past.

B2 (中高级)
A
Avas
( 4.0 )

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Heroes

The use of past perfect simple and continuous to talk about things that happened before another event in the past.

语言学习

英语

普通英语

语法

过去完成时与完成进行时



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